Finding the Fourth Proportional to 207,196.36, 310,763.76 and 57,421.02
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Solution
The fourth proportional to 207,196.36, 310,763.76 and 57,421.02 is: 86,123.00
Step by Step Solution
- Step 1: Write the proportion equation
207,196.36 : 310,763.76 = 57,421.02 : x - Step 2: Convert to fraction form
207,196.36/310,763.76 = 57,421.02/x - Step 3: Cross multiply
207,196.36x = 310,763.76 × 57,421.02 - Step 4: Simplify right side
207,196.36x = 17,844,372,078.24 - Step 5: Solve for x
x = 17,844,372,078.24/207,196.36 - Step 6: Final answer
x = 86,123.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.